20212201121120 has 48 divisors (see below), whose sum is σ = 47759505353280. Its totient is φ = 8083495440384.

The previous prime is 20212201121051. The next prime is 20212201121183. The reversal of 20212201121120 is 2112110221202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9883217 + ... + 11751696.

It is an arithmetic number, because the mean of its divisors is an integer number (994989694860).

Almost surely, 2^{20212201121120} is an apocalyptic number.

20212201121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212201121120 is an abundant number, since it is smaller than the sum of its proper divisors (27547304232160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212201121120 is a wasteful number, since it uses less digits than its factorization.

20212201121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21640767 (or 21640759 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20212201121120 its reverse (2112110221202), we get a palindrome (22324311342322).

The spelling of 20212201121120 in words is "twenty trillion, two hundred twelve billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty".